    {:synsem {:cat :verb
              :sem {:activity true
                    :discrete false
-                   :pred :go-upstairs}}
+                   :pred :go-upstairs}
+             :subcat {:2 '()}}
     :english {:past "went upstairs"
               :participle "going upstairs"
               :present {:3sing "goes upstairs"}}}


   "go downstairs"
   {:synsem {:cat :verb
              :sem {:activity true
                    :discrete false
                    :pred :go-downstairs}}
    :english {:past "went downstairs"
              :participle "going downstairs"
              :present {:3sing "goes downstairs"}}}
   
   "go out"
   {:synsem {:cat :verb
              :sem {:activity true
                    :discrete false
                    :pred :go-out}}
    :english {:past "went out"
              :participle "going out"
              :present {:3sing "goes out"}}}

                       :subcat {:2 '()}}
              :english {:past "became"}}]
   
   "begin" [{:synsem {:cat :verb
                      :sem {:pred :begin}
                      :subcat {:2 '()}}
             :english {:past "began"
                       :participle "beginning"}}
            {:modal-with :infinitive
             :synsem {:cat :verb
                      :sem {:pred :begin}}
             :english {:past "began"
                       :participle "beginning"}}]

   "believe" (let [common {:synsem {:cat :verb
                                    :subcat {:1 {:cat :noun
